[pptp-server] Re: PoPToP and stability

Christopher Tresco ctresco at economics.mit.edu
Tue Apr 24 11:45:40 CDT 2001


I have had the exact same problem on a SMP box.
If pptpd is running, then the box will randomly stop responding on the
network.

Normally, if I keep some other machine pinging the box, this wont happen.
WHen it
does, it usually fixes itself within a few minutes.


> -----Original Message-----
> From: pptp-server-admin at lists.schulte.org
> [mailto:pptp-server-admin at lists.schulte.org]On Behalf Of Adam Tauno
> Williams
> Sent: Tuesday, April 24, 2001 10:25 AM
> To: pptp-server at lists.schulte.org
> Subject: [pptp-server] Re: PoPToP and stability
>
>
> >It's a uni, I have some problems with the 2.4.x kernel on my other
> >boxes aswell, when i ssh to it it just hangs for a while
> sometimes, I have
> >heard from friends that they have the same problem though.. must
> be a 2.4.x
> >bug :/
>
> Haven't had any other network issues with 2.4.x other than with
> PPTP.  The 2.4.x
> supports seven LTSP X/Helix GNOME workstations so I know that
> networking is
> otherwise pretty solid (the NIC hardly drops below 3M/sec ever,
> and spikes a lot
> higher).
>
> >I will upgrade my pppd/ppptd later on to se if the problem consists.
> >So you use a SMP box, how many users are using VPN?
>
> The SMP box is the PPTP client.  And is definitely where the problem is.
>
> The PopTop server is an IBM PS/2 Value point with a 33Mhz 386 and
> 20Mb of RAM.
> Humms along happily with 4~7 VPN users, and at his point has 407 days of
> uptime.  It sits on the end of a T1 and Cisco 1600R router.
>
> >when it comes to load on the server I have no clue what it takes to run
> >a pptpd server...
>
> Almost nothing.
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